Home / 6,928.72-10,378.01-4,296.87

Finding the Fourth Proportional to 6,928.72, 10,378.01 and 4,296.87

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Solution

The fourth proportional to 6,928.72, 10,378.01 and 4,296.87 is: 6,435.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,928.72 : 10,378.01 = 4,296.87 : x
  2. Step 2: Convert to fraction form
    6,928.72/10,378.01 = 4,296.87/x
  3. Step 3: Cross multiply
    6,928.72x = 10,378.01 × 4,296.87
  4. Step 4: Simplify right side
    6,928.72x = 44,592,970.57
  5. Step 5: Solve for x
    x = 44,592,970.57/6,928.72
  6. Step 6: Final answer
    x = 6,435.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.